CN217714137U - PCCP pipe damages emergent trapping devices of aperture - Google Patents
PCCP pipe damages emergent trapping devices of aperture Download PDFInfo
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- CN217714137U CN217714137U CN202221666446.4U CN202221666446U CN217714137U CN 217714137 U CN217714137 U CN 217714137U CN 202221666446 U CN202221666446 U CN 202221666446U CN 217714137 U CN217714137 U CN 217714137U
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Abstract
The application relates to a PCCP pipeline repairing device, in particular to an emergency leakage repairing device for a damaged small hole of a PCCP pipe; the pipe comprises an inner arc plate, inner water-stop rubber, an outer arc plate, outer water-stop rubber, a stud bolt and a through hole arranged on a PCCP pipe; the inner water-stop rubber is fixed on the outer end face of the inner arc plate and covers the inner end hole of the through hole in a matching manner, and the outer end face of the inner arc plate is fixed with a connecting nut which penetrates through the inner water-stop rubber and is positioned in the through hole. The method comprises the steps of forming an oval through hole by cutting a damaged hole, placing an inner arc plate into a PCCP (prestressed concrete cylinder pipe) pipe along the long axis direction of the through hole, connecting the inner arc plate and an outer arc plate by using a double-headed nut, respectively and tightly pressing the inner arc plate and the outer arc plate on the inner side and the outer side of the through hole, and strengthening the through hole by a mortar layer; this application simple structure, with low costs, the installation does not need the people to get into inside the pipeline, solves the aperture and takes place to leak the trouble, can just can meet an urgent need the processing completion on the day leaking taking place, makes pipeline normal operating.
Description
Technical Field
The application relates to a PCCP pipeline repairing device, in particular to an emergency leakage repairing device for a damaged small hole of a PCCP pipe.
Background
The PCCP is a prestressed steel cylinder concrete pipe, and is a new type composite pipe material, and is characterized by that on the external surface of high-strength concrete pipe core with steel cylinder the prestressed steel wires required by design are winded, and the high-density cement mortar is rolled and jetted as steel wire protective layer so as to form the basic structure of said pipe. The two ends of the pipe are connected with the steel cylinder, and steel bearing and socket joints with high precision fit sizes are configured and matched with special sealing rubber rings to form a sealing joint with strong impermeability.
After the PCCP pipe is installed and used, the protective layer is damaged due to external excavation, drilling and installation, holes are generated, and water leakage of the pipeline is caused.
When leakage occurs, the common treatment method is to cut off water to remove the pipeline, make a folding pipe, perform field welding, perform corrosion prevention inside and outside the pipeline, perform flaw detection on a welded junction, backfill concrete and the like, and generally takes about 5 days. If the pipeline is operated for a long time, a required professional faucet is difficult to find, so that the use is influenced, and the time of waiting for water cut is longer.
Disclosure of Invention
The application aims to provide the PCCP pipe damage small hole emergency leakage repairing device which is simple in structure, low in cost, free of people for entering the pipeline during installation and short in repairing time.
The application is realized as follows: the PCCP pipe damaged small hole emergency leak repairing device comprises an inner arc plate, inner water-stopping rubber, an outer arc plate, outer water-stopping rubber, a stud bolt and a through hole arranged on the PCCP pipe; the inner water-stopping rubber is fixed on the outer end face of the inner arc plate and covers the inner end hole of the through hole in a matching manner, and the outer end face of the inner arc plate is fixed with a connecting nut which penetrates through the inner water-stopping rubber and is positioned in the through hole; the outer water-stopping rubber is fixed on the inner end face of the outer arc plate and is matched with and covered on the outer end hole of the through hole; one end of the stud is connected in the connecting nut, the other end of the connecting nut sequentially penetrates through the through hole, the outer water stop rubber and the outer arc plate and extends out of the outer arc plate, and a compression nut is mounted at the other end of the connecting nut; the clearance in the through hole is filled with a mortar layer.
Furthermore, the radial section of the perforation is elliptical, the major axis is longitudinal, and the minor axis is axial of the PCCP pipe; the inner arc plate is elliptic, the long axis of the inner arc plate is longer than the long axis of the through hole, and the short axis of the inner arc plate is longer than the short axis of the through hole and shorter than the long axis of the through hole; the perforation is in a horn mouth shape with a large outside and a small inside.
Furthermore, the outer wall of the PCCP pipe is provided with a leveling surface corresponding to the position covered by the outer water-stopping rubber.
Furthermore, the radian of the inner arc plate is correspondingly consistent with that of the inner wall of the PCCP pipe, and the radian of the outer arc plate is correspondingly consistent with that of the outer wall of the PCCP pipe.
Furthermore, the number of the connecting nuts fixed on the inner arc plate is at least two, and the stud bolts correspond to the connecting nuts in number and are connected in a one-to-one correspondence manner.
Furthermore, the outer arc plate is provided with a grouting hole, and a detachable grouting bolt is arranged in the grouting hole.
Furthermore, the outer end face of the inner arc plate is fixed with a pull ring, and an iron wire is arranged on the pull ring.
Due to the implementation of the technical scheme, the damaged hole is formed to be an oval through hole, the inner arc plate is arranged in the PCCP pipe along the long axis direction of the through hole, the inner arc plate and the outer arc plate are connected through the double-headed nut, the inner arc plate and the outer arc plate are respectively and tightly pressed on the inner side and the outer side of the through hole, and the through hole is internally reinforced through the mortar layer; this application simple structure, with low costs, the installation does not need the people to get into inside the pipeline, solves the aperture and takes place to leak the trouble, can just can meet an urgent need the processing completion on the day leaking taking place, makes pipeline normal operating.
Drawings
The specific structure of the application is given by the following figures and examples:
FIG. 1 is a schematic structural diagram of a preferred embodiment of the present application;
fig. 2 is an enlarged schematic view of a structure at a in fig. 1.
Legend: 1. the concrete grouting pipe comprises an inner arc plate, 2 parts of inner water stop rubber, 3 parts of outer arc plate, 4 parts of outer water stop rubber, 5 parts of stud bolts, 6 parts of PCCP pipe, 7 parts of connecting nuts, 8 parts of compression nuts, 9 parts of mortar layer, 10 parts of leveling surface, 11 parts of grouting holes, 12 parts of grouting bolts, 13 parts of pull ring and 14 parts of iron wire.
Detailed Description
The present application is not limited to the following examples, and specific implementations may be determined according to the technical solutions and practical situations of the present application.
In the embodiment, as shown in fig. 1 and 2, the PCCP pipe damaged small hole emergency leak repairing device comprises an inner arc plate 1, an inner water-stopping rubber 2, an outer arc plate 3, an outer water-stopping rubber 4, a stud bolt 5 and a through hole arranged on a PCCP pipe 6; the inner water-stop rubber 2 is fixed on the outer end face of the inner arc plate 1 and is covered on the inner end hole of the through hole in a matching way, and the outer end face of the inner arc plate 1 is fixed with a connecting nut 7 which penetrates through the inner water-stop rubber 2 and is positioned in the through hole; the outer water-stopping rubber 4 is fixed on the inner end face of the outer arc plate 3 and is matched with and covered on the perforated outer end hole; one end of the stud bolt 5 is connected into the connecting nut 7, the other end of the connecting nut 7 sequentially penetrates through the through hole, the outer water stop rubber 4 and the outer arc plate 3 and extends out of the outer arc plate 3, and the other end of the connecting nut 7 is provided with a compression nut 8; the gap in the perforation is filled with a mortar layer 9.
The application scope is as follows: the holes are small (generally, broken filaments are not less than 5, and the axial aperture is less than 120 mm), and the main body of the pipeline is not damaged.
The sizes of the inner arc plate 1 and the outer arc plate 3 are determined according to the size of a damaged hole, and the radian is determined according to the PCCP pipe 6; can realize inside not advancing people, can only install externally, both guarantee that the damage hole structurally can not influence the pipeline, guarantee the leakproofness, can install the restoration fast again.
When leakage occurs, the original treatment method is to cut off water and remove the pipeline, make a folding pipe, perform field welding, prevent corrosion inside and outside the pipeline completely, detect a flaw at a welded junction and backfill concrete, and the like, and generally takes about 5 days; if the pipeline is operated for a long time, a required professional faucet is difficult to find, so that the use is influenced, and the time for stopping water is longer. This application can be according to damaging the hole size, and corresponding design just can meet an urgent need the processing on the day and accomplish taking place to leak, makes pipeline normal operating, does subsequent processing again according to actual condition in the maintenance period of cutting off the water supply. This application simple structure, with low costs, the installation does not need the people to get into inside the pipeline, solves the aperture and takes place to leak the trouble, can just can meet an urgent need the processing completion on the day leaking taking place, makes pipeline normal operating.
As shown in fig. 1 and 2, the radial section of the perforation is elliptical, the major axis is longitudinal, and the minor axis is axial to the PCCP tube 6; the inner arc plate 1 is elliptic, the long axis of the inner arc plate 1 is longer than the long axis of the perforation, and the short axis of the inner arc plate 1 is longer than the short axis of the perforation and shorter than the long axis of the perforation; the perforation is in a horn mouth shape with a large outside and a small inside.
The inner arc plate 1 thus facilitates plugging of the inner end hole of the perforation and placement into the PCCP tube 6 along the long axis of the perforation.
As shown in fig. 1 and 2, the PCCP pipe 6 has an outer wall with a flush surface 10 corresponding to the position where the outer water-stop rubber 4 is pressed. The water stopping capability of the outer water stopping rubber 4 is enhanced.
As shown in figures 1 and 2, the radian of the inner arc plate 1 is correspondingly consistent with the radian of the inner wall of the PCCP pipe 6, and the radian of the outer arc plate 3 is correspondingly consistent with the radian of the outer wall of the PCCP pipe 6.
As shown in fig. 1 and 2, the number of the connecting nuts 7 fixed on the inner arc plate 1 is at least two, and the stud bolts 5 are connected with the connecting nuts 7 in a one-to-one correspondence manner in a number-to-one correspondence manner.
As shown in fig. 1 and 2, the outer arc plate 3 is provided with grouting holes 11, and detachable grouting bolts 12 are installed in the grouting holes 11.
As shown in fig. 1 and 2, a pull ring 13 is fixed on the outer end surface of the inner arc plate 1, and an iron wire is arranged on the pull ring 13.
The application of the preferred embodiment of the present application.
Repairing damaged holes:
trimming the damaged hole to remove loose cement blocks, chiseling the damaged hole to form an oval through hole, wherein the through hole is slightly in a horn mouth shape with a large inner part and a small outer part, chiseling the damaged Kong Chengzhong mainly passes through the inner arc plate 1, and the steel wire on the inner layer of the PCCP pipe 6 is not cut as much as possible;
and (3) polishing the outer surface of the pipe at the position of the periphery of the perforated outer end hole and the position of the outer water-stop rubber 4 to make the curved surface smooth as much as possible.
(II) placing an inner arc plate 1:
manufacturing an inner arc plate 1 according to the size of the perforation, sleeving an iron wire on the pull ring 13, and placing the inner arc plate 1 into the pipe according to the long axis direction of the perforation ellipse;
the inner arc plate 1 is pulled by an iron wire, so that the inner water-stopping rubber 2 is adhered to the inner wall of the PCCP pipe 6, and the inner arc plate 1 is tightly pressed.
The stud bolt 5 is connected with the inner arc plate 1:
aligning a connecting nut 7 on the inner arc plate 1 from the outer end hole of the through hole by using a double-end screw plate, and screwing;
epoxy cement mortar is filled into the through hole to form a mortar layer 9, and proper steel nails are layered during filling to increase the strength of the epoxy cement mortar; the mortar is slightly thick and needs to be tamped by steel bars in a layering way when being filled;
after the epoxy cement mortar is filled into the mortar protective layer in the PCCP pipe 6, tamping and horizontally embedding steel nails; and then filling the mortar layer 9 to be one to two centimeters higher than the mortar protective layer in the PCCP pipe 6.
(IV) upper outer arc plate 3:
aligning two holes of the outer arc plate 3 with the stud bolts 5, penetrating the outer arc plate 3, and placing the outer water-stop rubber 4 under the outer arc plate 3;
the compression nut 8 is fastened by penetrating double heads, the grouting hole 11 is blocked by a grouting bolt 12, the epoxy cement mortar filled in the compression process is uniformly filled in each gap, then the grouting bolt 12 is opened, the epoxy cement mortar is extruded along with the compression, and the epoxy cement mortar is ensured to fill all the gaps; when the compression nut 8 is compressed, the grouting bolt 12 is tightened.
And fifthly, the whole outside of the through hole is coated with epoxy coal tar pitch paint, and water can be used after the mortar is solidified after 3 to 5 hours.
In this document, "upper", "lower", "front", "rear", "left", "right", and the like are used only to indicate relative positional relationships between relevant portions, and do not limit absolute positions of the relevant portions.
The above technical features constitute the best embodiment of the present application, which has strong adaptability and best implementation effect, and unnecessary technical features can be added or subtracted according to actual needs to meet the needs of different situations.
Claims (7)
1. The utility model provides a PCCP pipe damages emergent trapping devices of aperture which characterized in that: the pipe joint comprises an inner arc plate, inner water-stop rubber, an outer arc plate, outer water-stop rubber, a stud bolt and a through hole arranged on a PCCP pipe; the inner water-stopping rubber is fixed on the outer end face of the inner arc plate and covers the inner end hole of the through hole in a matching manner, and the outer end face of the inner arc plate is fixed with a connecting nut which penetrates through the inner water-stopping rubber and is positioned in the through hole; the outer water stopping rubber is fixed on the inner end face of the outer arc plate and covers the outer end hole of the through hole in a matching manner; one end of the stud is connected into the connecting nut, the other end of the connecting nut sequentially penetrates through the through hole, the outer water stop rubber and the outer arc plate and extends out of the outer arc plate, and the other end of the connecting nut is provided with a compression nut; the clearance in the through hole is filled with a mortar layer.
2. The PCCP pipe damaged small hole emergency leak repairing device according to claim 1, wherein: the radial section of the perforation is elliptical, the major axis is longitudinal, and the minor axis is axial of the PCCP pipe; the inner arc plate is elliptic, the long axis of the inner arc plate is longer than the long axis of the through hole, and the short axis of the inner arc plate is longer than the short axis of the through hole and shorter than the long axis of the through hole; or/and the perforated hole is in a horn mouth shape with a large outer part and a small inner part.
3. The PCCP pipe damaged small hole emergency leak repairing device according to claim 1 or 2, wherein: the outer wall of the PCCP pipe is provided with a leveling surface corresponding to the position where the outer water-stopping rubber is pressed.
4. The PCCP pipe damaged small hole emergency leak repairing device according to claim 1 or 2, wherein: the radian of the inner arc plate is correspondingly consistent with that of the inner wall of the PCCP pipe, and the radian of the outer arc plate is correspondingly consistent with that of the outer wall of the PCCP pipe.
5. The PCCP pipe damaged small hole emergency leak repairing device according to claim 1 or 2, wherein: the number of the connecting nuts fixed on the inner arc plate is at least two, and the stud bolts correspond to the connecting nuts in number and are connected in a one-to-one correspondence manner.
6. The PCCP pipe damaged small hole emergency leak repairing device according to claim 1 or 2, wherein: be equipped with the slip casting hole on the outer arc board, the downthehole detachable slip casting bolt that installs of slip casting.
7. The PCCP pipe damaged small hole emergency leak repairing device according to claim 1 or 2, wherein: the outer end face of the inner arc plate is fixed with a pull ring, and an iron wire is arranged on the pull ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221666446.4U CN217714137U (en) | 2022-07-01 | 2022-07-01 | PCCP pipe damages emergent trapping devices of aperture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221666446.4U CN217714137U (en) | 2022-07-01 | 2022-07-01 | PCCP pipe damages emergent trapping devices of aperture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217714137U true CN217714137U (en) | 2022-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221666446.4U Active CN217714137U (en) | 2022-07-01 | 2022-07-01 | PCCP pipe damages emergent trapping devices of aperture |
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| Country | Link |
|---|---|
| CN (1) | CN217714137U (en) |
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2022
- 2022-07-01 CN CN202221666446.4U patent/CN217714137U/en active Active
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